You were assigned by the general to teach at one of the elementary schools with your coworkers. You were assigned with Keith, Anora Keith. He is a member of the military with a lower rank than you. Even so, in terms of his character and way of speaking he could be said to be more mature than you.

"Good morning all. Let me introduce myself, my name is Anora Keith, you can call me Keith." -Keith

"Okay, Keith-sensei!!" -all student